123501030 has 32 divisors (see below), whose sum is σ = 309291264. Its totient is φ = 31501536.

The previous prime is 123501013. The next prime is 123501047. The reversal of 123501030 is 30105321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123501013) and next prime (123501047).

It is a super-2 number, since 2×123501030² = 30505008822121800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88804 + ... + 90183.

It is an arithmetic number, because the mean of its divisors is an integer number (9665352).

Almost surely, 2^123501030 is an apocalyptic number.

123501030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123501030 is an abundant number, since it is smaller than the sum of its proper divisors (185790234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123501030 is a wasteful number, since it uses less digits than its factorization.

123501030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179020.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 123501030 is about 11113.1017272407. The cubic root of 123501030 is about 497.9933306634.

Adding to 123501030 its reverse (30105321), we get a palindrome (153606351).

The spelling of 123501030 in words is "one hundred twenty-three million, five hundred one thousand, thirty".